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Showing 1-30 of 540 results for "143557-81-7" within Site Content

Determination of 7 Nitrosamines in Drinking Water

Nitrosamines analysis by solid phase extraction (SPE) and subsequent gas chromatography-tandem mass spectrometry (GC-MS/MS) according to GB 5750.10-2023.

Estimation of Proline in Fruit and Vegetable Juices

Spectrophotometric determination of proline by the Ninhydrin method, per EN 1141 and German Food and Feed Code §64 LFBG 31.00-7.

RNA Therapeutics & Delivery USA

Visit us at booth #7 to learn about our solutions to help you overcome your mRNA manufacturing and LNP formulation challenges.

cOmplete™, Mini, EDTA-free Protocol

Dissolve one tablet in 10 ml aqueous buffer or water. If high proteolytic activity is present, dissolve one tablet in 7 ml buffer.

Scepter™ 3.0 Cell Counter – How it Works

Scepter™ counting is 7 to 10 times faster than hemocytometry-and also faster than other automated counters. Learn more about how this amazing technology works

Enzymatic Assay of Cathepsin B

Cathepsin B is a lysosomal cysteine proteinase with broad specificity. This protocol uses Nα–CBZ–Arg–Arg–7–amido–4–methylcoumarin as the substrate for fluorometric detection of Cathepsin B activity.

Assay of Betamethasone Sodium Phosphate by HPTLC

Development of an HPTLC based method, using Silica Gel 60 F254 plate, to determine Betamethasone Sodium Phosphate over a concentration range of 1 to 7 µg/spot.

Ultrapure Water for Sensitive LC-MS Analysis of Pesticides

Pesticides analysis by LC-MS needs pesticide-free reagent water, which can be reliably delivered by Milli-Q® IQ 7 ultrapure water systems. See data.

In Vitro Differentiation of Human PBMC and CD34+ Derived Monocytes into Mature CD83+/CD14- Dendritic Cells

Generate mature human dendritic immune cells from PBMCs or CD34+ stem cell derived monocytes in 7 days in defined and serum-free dendritic cell culture media. Explore over 350 PromoCell products.

Obtaining Ultrapure Water for Sensitive PFAS Analysis by LC-MS

Sensitive PFAS testing can be performed with ultrapure water from a Milli-Q® IQ 7 system, which eliminates detectable PFAS for reliable LC-MS/MS results. See the science, see the proof.

3D Mammosphere Culture Media

3D mammosphere culture protocol used to expand human MCF-7 and MDA-MB-231 breast cancer cells in serum-free/xeno-free stem cell culture media. Explore over 350 PromoCell products on Sigma.com.

Dietary Antioxidants

Antioxidants protect biological systems from oxidative damage produced by oxygen-containing free radicals and from redoxactive transition metal ions such as iron, copper, and cadmium.

Workflow for the Analysis of Polysorbate 80 in Erbitux® Formulation

A complete reversed phase HPLC-ELSD workflow, including sample preparation for the analysis of Polysorbate 80 in a monoclonal antibody formulation.

Determination of Tanshinone IIA and key ginsenosides

Method development for HPLC-UV quantification of tanshinone IIA and key ginsenosides in Guanxin Danshen Diwan as per the Chinese Pharmacopoeia draft.

Aprotinin

While aprotinin and bovine pancreatic trypsin inhibitor (BPTI) are the same protein sequence, the term aprotinin is typically used when describing the protein derived from bovine lung.

Performing a Separation with HiTrap® Protein G HP

Purify monoclonal or polyclonal IgG from serum, cell culture supernatant or ascitic ﬂuid using the HiTrap Protein G HP from Cytiva, an affinity-exclusion chromatography product containing Sepharose-immobilized Protein G.

Extractables Studies of Single-Use Equipment Immediate Identification and Quantification of Unknown Extractables by GC/MS with a Certified Reference Material Mix for Extractables and Leachables

Identification and quantification of the most common extractables originating from single-use equipment by GC/MS and an Extractables and Leachables Screening Standard.

General Instructions for Affinity Purification Using HiTrap® Columns

General instructions for affinity purification using HiTrap columns from Cytiva.

Lung Cancer Organoid Biobank

Explore our cryopreserved human lung organoid biobank from NSCLC tumor biopsies for lung cancer, SARS-CoV2, COPD and pulmonary disease research. Lung organoid 3D cell culture protocol available.

Thermal Transitions of Homopolymers: Glass Transition & Melting Point

Literature values for the glass transition temperature, (Tg), and melting temperature, (Tm), are given for the more common homopolymers.

Performing a Purification of IgM Antibodies with HiTrap™ IgM Purification HP

This page shows how to purify IgM antibodies by afﬁnity chromatography using HiTrap™ IgM Purification HP.

Phosphatase Inhibitor Cocktail

The use of phosphatase inhibitors is critical for all types of phosphorylation studies. Compare phosphatase inhibitor cocktails to select the best one for your research.

Stripping and Reprobing Western Blotting Membranes

This page shows and discusses three protocols for stripping and reprobing a western blot membrane.

LRA (Lipid Removal Agent) for Biopharmaceutical Production

Lipids are naturally-occurring hydrocarbons that are poorly soluble in water and soluble in non-polar solvents such as ether and chloroform.

IgG Antibody Purification with HiTrap® Protein G HP Columns

This page shows how to separate IgG antibodies by afﬁnity chromatography using HiTrap® Protein G HP columns from Cytiva.

Conjugating Alkaline Phosphatase to Antibodies and Other Proteins

Protocol for the one-step, glutaraldehyde coupling method to conjugation alkaline phosphatase to antibodies and other proteins.

Guidelines for Bioassays on MultiScreen Filter Plates: Protein Binding and Cell Loading

Guidelines for various bioassays on the MultiScreen system, which makes it possible to carry out an assay from sample incubation to scintillation counting in a 96-well plate.

MCAT- 53™ Catalyst for Ruthenium Formation

A recyclable, ligand-free ruthenium catalyst for C–H activation reactions and concomitant C–C bond formation in the presence of water.

Mechanochemical Effect of Severe Plastic Deformations: Metal Alloys, Hydrides and Molecular Solids

Fluorescein Isothiocyanate-Dextran

Dextran is a polymer of anhydroglucose. It is composed of approximately 95% alpha-D-(166) linkages. The remaining (163) linkages account for the branching of dextran.

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